Floor Chair                                    Floor Control
                                                     Server
        |(1) ChairAction                                |
        |Transaction ID: 769                            |
        |User ID: 357                                   |
        |FLOOR-REQUEST-INFORMATION                      |
        |      Floor Request ID: 635                    |
        |      FLOOR-REQUEST-STATUS                     |
        |            Floor ID: 543                      |
        |            Request Status: Granted            |
        |---------------------------------------------->|
        |                                               |
        |(2) ChairActionAck                             |
        |Transaction ID: 769                            |
        |User ID: 357                                   |
        |<----------------------------------------------|